One question

One question A traveler came to a fork in the road at which he found a bystander. He knew that at the end of one of the forks there was a village inhabited by people who always told the truth. At the end of the other fork was a village inhabited by people who always...

Throw the same ball

Throw the same ball You don’t need to be a master of prestidigitation to figure this one out. All that is required is the power of observation or a little logic: You have observed that if you throw a tennis ball against a wall, it will stop and return to you....

How far does it travel?

How far does it travel? A billiard ball is struck without side so that it strikes all four cushions and returns to its starting position. In what direction is it struck, and how far does it travel? Click here for the solution It must be stuck parallel to one of the...

The right color

The right color It was execution day in the kingdom of Ferristy. But also, by coincidence, it was a national holiday. Thus it was that the king decided to spare the life of one condemned man. He took three men who were to be killed and placed them in a circle facing...

How?

How? A man went on a trip with a fox, a goose and a sack of corn. He came upon a stream which he had to cross and found a tiny boat to use to cross the stream. He could only take himself and one other – the fox, the goose, or the corn – at a time. He could...

What’s the probability?

What’s the probability? Duke Maverick worked for a packaging company. One day, Duke received four separate orders and accidentally mixed up the addresses, so he applied the address labels at random. What is the probability that exactly three packages were...